<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <meta http-equiv="X-UA-Compatible" content="ie=edge">
  <title>Document</title>
  <style>
   body{
    margin:0;
    padding:0;
  }
  .box{
    height:489px;
    background-color:red;
    background: url(./image/mhxy.jpg)center ;
  }
  
  </style>
 
</head>
<body>
  <div class="box"></div>
</body>
</html>